/home/cpanrun/build/5.6.1/bin/perl Build.PL 
Checking whether your kit is complete...
ERROR: XML::Twig: Version 3.11 is installed, but we need version >= 3.22
ERRORS/WARNINGS FOUND IN PREREQUISITES.  You may wish to install the versions
 of the modules indicated above before proceeding with this installation.

Looks good
Creating new 'Build' script for 'Lingua-EN-Keywords-Yahoo' version '0.5'
/home/cpanrun/build/5.6.1/bin/perl Build
lib/Lingua/EN/Keywords/Yahoo.pm -> blib/lib/Lingua/EN/Keywords/Yahoo.pm
Manifying blib/lib/Lingua/EN/Keywords/Yahoo.pm -> blib/libdoc/Lingua::EN::Keywords::Yahoo.3
/home/cpanrun/build/5.6.1/bin/perl Build test
t/00.use............ok
t/01.explicit.......illegal option Index at /home/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Lingua-EN-Keywords-Yahoo/blib/lib/Lingua/EN/Keywords/Yahoo.pm line 80
Can't locate object method "index" via package "XML::Twig" (perhaps you forgot to load "XML::Twig"?) at /home/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Lingua-EN-Keywords-Yahoo/blib/lib/Lingua/EN/Keywords/Yahoo.pm line 82.
# Looks like your test died before it could output anything.
dubious
	Test returned status 255 (wstat 65280, 0xff00)
DIED. FAILED tests 1-3
	Failed 3/3 tests, 0.00% okay
t/02.export.........illegal option Index at /home/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Lingua-EN-Keywords-Yahoo/blib/lib/Lingua/EN/Keywords/Yahoo.pm line 80
Can't locate object method "index" via package "XML::Twig" (perhaps you forgot to load "XML::Twig"?) at /home/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Lingua-EN-Keywords-Yahoo/blib/lib/Lingua/EN/Keywords/Yahoo.pm line 82.
# Looks like your test died before it could output anything.
dubious
	Test returned status 255 (wstat 65280, 0xff00)
DIED. FAILED tests 1-3
	Failed 3/3 tests, 0.00% okay
Failed Test     Status Wstat Total Fail  Failed  List of Failed
--------------------------------------------------------------------------------
t/01.explicit.t	 255 65280     3    3 100.00%  1-3
t/02.export.t  	 255 65280     3    3 100.00%  1-3
Failed 2/3 test scripts, 33.33% okay. 6/7 subtests failed, 14.29% okay.
make: *** [test] Error 2